Finding the Fourth Proportional to 1,928,409.93, 2,892,582.70 and 469,471.75
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Solution
The fourth proportional to 1,928,409.93, 2,892,582.70 and 469,471.75 is: 704,199.78
Step by Step Solution
- Step 1: Write the proportion equation
1,928,409.93 : 2,892,582.70 = 469,471.75 : x - Step 2: Convert to fraction form
1,928,409.93/2,892,582.70 = 469,471.75/x - Step 3: Cross multiply
1,928,409.93x = 2,892,582.70 × 469,471.75 - Step 4: Simplify right side
1,928,409.93x = 1,357,985,853,783.59 - Step 5: Solve for x
x = 1,357,985,853,783.59/1,928,409.93 - Step 6: Final answer
x = 704,199.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.